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F-Secure Virus Descriptions : MyDoom.AI

[Summary] | [Detailed Description] | [Detection]

THIS VIRUS IS RANKED AS LEVEL 2 ALERT UNDER
F-SECURE RADAR.

Radar Alert LEVEL 2

NAME:MyDoom.AI
ALIAS:I-Worm.Mydoom.AE
SIZE:31744

Summary

A new variant of MyDoom worm was found on January 15th, 2005.

Detailed Description

This variant sends variable emails with EXE/SCR/PIF/ZIP attachments. Some mails contain sexually excplicit images and claim that the attachment contains passwords for adult websites.

The body text of infected e-mails varies...for example:

 The message contains Unicode characters and has been sent as a binary attachment.

 Mail transaction failed. Partial message is available.

 The message cannot be represented in 7-bit ASCII encoding and has been sent as a binary attachment

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Detection

This variant is detected as 'I-Worm.Mydoom.AE' since the following FSAV updates:

[FSAV_Database_Version]

Version=2005-01-16_01

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Write-Up: Mikko Hypponen, January 16th, 2005

F-Secure Corporation